At this outstanding site, an astronomer presents the story of quasars, profusely illustrated with telescope images and astronomical data. You can learn how distant and powerful quasars are, and how they appear at first glance to violate special relativity. This site was produced at the University of California at San Diego.
%0 Electronic Source %A Smith, Gene %D 1999 %T Quasars and Active Galaxies %V 2013 %N 13 December 2013 %9 text/html %U http://cass.ucsd.edu/archive/public/tutorial/Quasars.html
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